Reaction of hydrogen and nitrogen to form ammonia Hydrogen gas, H2 , reacts with nitrogen gas, N2 , to form ammonia gas, NH3 , according to the equation 3H2 (g) + N2 (g)→2NH3(g) NOTE: Throughout this tutorial use molar masses expressed to five significant figures. Part A How many moles of NH3 can be produced from 19.5 mol of H2 and excess N2 ? Express your answer numerically in moles. View Available Hint(s) ? mol NH3 Submit Part B How many grams of NH3 can be produced from 3.73 mol of N2 and excess H2 . Express your answer numerically in grams.

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".